Green Party pursues a singer releasing record (7)
I believe the answer is:
avocado
'green' is the definition.
(I've seen this before)
'party pursues a singer releasing record' is the wordplay.
I cannot quite see how this works, but
'party' could be 'do' (do is a kind of party) and 'do' is found within the answer.
'a' is present in the answer.
This may be the basis of clue (or it may be nonsense).
(Other definitions for avocado that I've seen before include "Tropical fruit with a yellow creamy flesh" , "may be stoned" , "Evergreen" , "slightly green" , "one's stoned?" .)